Humble Trader

Sunday, March 05, 2006

Create a Wrapper Process Flow

Introduction:

This post describes how a Wrapper Process Flow is created in OWB.

A Wrapper Process Flow wraps a single Mapping and fulfills the following requirements:

  • Allow the Mapping to be executed in stand-alone mode.
  • Report any Error and Warning return statuses.
  • Is itself wrapped by higher Process Flows in more complex dependency relationships.
Aim:

Create a Wrapper Process Flow.

Requirements:

The Mapping to be wrapped exists.

Procedure:
  • Log on to OWB.
  • Open a project.
  • Expand 'Process Flows'.
  • Create a Process Flow.
  • Create the following flow:




  • Component Configuration:
    • START:
      • One parameter for each MAPPING input parameter.
      • P_SMTP_SERVER (STRING).
      • P_PORT (INTEGER)
      • P_FROM_ADDRESS (STRING)
      • P_TO_ADDRESS (STRING)
    • MAPPING:
      • Bind the input parameters to the START parameters.
    • EMAIL activities:
      • Bind the following parameters to the START parameters:
        • SMTP_SERVER
        • PORT
        • FROM_ADDRESS
        • TO_ADDRESS
      • Subject: [mapping name] has issued a(n) warning / error.
      • Message Body: Same as Subject.

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